💧 Pump, Waterway Viper, 4.0hp, 230V, 1-Spd, 56Fr, 2-1/2″, 8ft Cord
Made by Waterway, manufacturer part number MV-40126-25. It is listed for the equipment shown below, so check the model on your own unit against that list. If your old part carries one of the cross-reference numbers further down, this is listed as its alternative.
✅ Listed for
- Waterway Viper 56-Frame 2-1/2″ Spa Pump
🔄 Cross-reference part numbers
These part numbers are listed as alternatives for this part.
| Brand | Part number |
|---|---|
| Waterway Plastics | 3711621-1V |
Pump, WW Viper, 4.0hp, 230V, 1-Spd, 56Fr, 2-1/2", 8ft Cord. Genuine Waterway Plastics replacement part — our part number MV-40126-25.
Product details
| Brand | Waterway Plastics |
|---|---|
| Our part number | MV-40126-25 |
| UPC | 806105684547 |
🔧 Parts and fittings for this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Waterway Union 400-5990 | 400-5990 | 92 in stock | $14.74 | Add to cart |
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Waterway Adapter 672-4350 | 672-4350 | 442 in stock | $5.79 | Add to cart |
Commonly replaced parts
Parts commonly replaced on this item that we stock.
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Viper Wet End 310-0140 | 310-0140 | 29 in stock | $110.21 | Add to cart |





